Peyton Strickland, 18, was killed Friday at a house he shared with three roommates, New Hanover County Sheriff Sid Causey said.Arrest warrants alleged that Strickland, a student at Cape Fear Community College, and a University of North Carolina-Wilmington student stole two PlayStation units from another UNC-Wilmington student that day.The sheriff said the robbery victim had waited three days in line to buy two Playstation 3 units for $641 each at a Wal-Mart. He was unloading the units at his campus apartment when one man beat him to the ground while another took the PlayStations, Causey said.The sheriff said Strickland was shot by members of a special police unit who went to help university officers serve warrants. He would not say why the special team was assisting.Strickland's dog, a German shepherd, also was shot to death.